Performance of pg_basebackup

Hey everyone,

I was wondering if anyone has found a way to get pg_basebackup to be... 
faster. Currently we do our backups something like this:

tar -c -I pigz -f /db/backup_yyyy-mm-dd.tar.gz -C /db pgdata

Which basically calls pigz to do parallel compression because with RAIDs 
and ioDrives all over the place, it's the compression that's the 
bottleneck. Otherwise, only one of our 24 CPUs is actually doing anything.

I can't seem to find anything like this for pg_basebackup. It just uses 
its internal compression method. I could see this being the case for 
pg_dump, but pg_basebackup just produces regular tar.gz files. Is there 
any way to either fake a parallel compression here, or should this be a 
feature request for pg_basebackup?

-- 
Shaun Thomas
OptionsHouse | 141 W. Jackson Blvd. | Suite 500 | Chicago IL, 60604
312-444-8534
sthomas@optionshouse.com

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